"Easy-to-install NPower Dawn to Dusk Sensor is a convenient, energy-saving unit with light sensor that is compatible for attachment to most barn lights. Automatically activates lights, turning them on as darkness falls and turning them off at first light. Application Sensor, Includes qty. 1, Power Source 110V. Weatherproof design for exterior use Black color to match black light fixtures 110V, 60Hz, electrical rating up to 60 Watts Measures 5 1/2in.H x 4 1/8in. dia. x 1 1/4in. deep at the base"
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